Finding the Fourth Proportional to 11,986.01, 17,971.23 and 4,964.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,986.01 : 17,971.23 = 4,964.12 : x
2. Step 2: Convert to fraction form
   11,986.01/17,971.23 = 4,964.12/x
3. Step 3: Cross multiply
   11,986.01x = 17,971.23 × 4,964.12
4. Step 4: Simplify right side
   11,986.01x = 89,211,342.27
5. Step 5: Solve for x
   x = 89,211,342.27/11,986.01
6. Step 6: Final answer
   x = 7,442.96